Find a city or ZIP
Autocomplete is only places we have a file for. A ZIP uses the GeoNames postal-code file (CC BY 4.0) mapped at build time to those files. No live geocoder. If the ZIP is not a covered place, the page says so.
Type a city we file, or a ZIP.
Place names come from GeoNames (CC BY 4.0). A nearby city file is not proof that ZIP is on that utility. Read the bill.